Kaihui Liu, Chenhao Jin, Xiaoping Hong, Jihoon Kim, Alex Zettl, Enge Wang and Feng Wang.Van der Waals-coupled electronic states in incommensurate double-walled carbon nanotubes.Nature Physics,10,737,2014 Kaihui Liu, Liming Zhang, Ting Cao, Chenhao Jin, Diana Qiu, Qin Zhou, Alex Zettl, Peidong Yang, Steve G. Louie and Feng Wang.Evolution of interlayer coupling in twisted molybdenum disulfide bilayers.Nature Communications,5,4966,2014 Jinghua Li, Chung-Ting Ke, Kaihui Liu, Pan Li, Sihang Liang, Gleb Finkelstein, Feng Wang and Jie Liu.Importance of diameter control on selective synthesis of semiconducting single-walled carbon nanotubes.ACS Nano,8,8564,2014 Kaihui Liu, Xiaoping Hong, Sangkook Choi, Chenhao Jin, Rodrigo B. Capaz, Jihoon Kim, Wenlong Wang, Xuedong Bai, Steven G. Louie, Enge Wang and Feng Wang.Systematic Determination of Absolute Absorption Cross-section of Individual Carbon Nanotubes.PNAS,111,7564,2014 Jinghua Li, Kaihui Liu, Shibo Liang, Weiwei Zhou, Matthieu Pierce, Feng Wang, Lianmao Peng and Jie Liu.Growth of high-density-aligned and semiconducting-enriched single-walled carbon nanotubes: Decoupling the conflict between density and selectivity.ACS Nano,8,554,2013 Kaihui Liu, Xiaoping Hong, Qin Zhou, Chenhao Jin, Jinghua Li, Weiwei Zhou, Jie Liu, Enge Wang, Alex Zettl and Feng Wang.High-throughput Optical Imaging and Spectroscopy of Individual Carbon Nanotubes in Devices.Nature Nanotechnology,8,917,2013 Kaihui Liu, Xiaoping Hong, Muhong Wu, Fajun Xiao, Wenlong Wang, Xuedong Bai, Joel W. Ager, Shaul Aloni, Alex Zettl, Enge Wang and Feng Wang.Quantum coupled radial breathing oscillations in double-walled carbon nanotubes.Nature Communications,4,1375,2013 Fajun Xiao, Kaihui Liu, Yaqing Bie, Jianlin Zhao and Feng Wang.Absorption spectroscopy of individual cadmium selenide nanowire.Applied Physics Letters,101,093106,2012 Muhong Wu, Kaihui Liu, Wenlong Wang, Yu Sui, Xuedong Bai and Enge Wang.Ultralong aligned single-walled carbon nanotubes on flexible fluorphlogopite mica for strain sensors.Nano Research,5,443,2012 Kaihui Liu, Jack Deslippe, Fajun Xiao, Rodrigo Capaz, Xiaoping Hong, Shaul Aloni, Alex Zettl, Wenlong Wang, Xuedong Bai, Steven G. Louie, Enge Wang and Feng Wang.An atlas of carbon nanotube optical transitions.Nature Nanotechnology,7,325,2012